If more than just the screen is damaged, then defo look at replacement. If you’re looking to switch to iPhone, Apple have an official refurbished store with discounts on like-new condition devices with new batteries and outer bodies. They take internals from traded in devices and put them in new bodies. They come with a full warranty and the ability to buy AppleCare, as if it was a brand new phone. Otherwise, check out BackMarket. One of the most reputable refurb sites out there.